X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/db25418bdc671fb2699d3f1b5a0e47647726316f..2b4965f56167dfda7c60fc9db2d145698d948fd5:/print-rsvp.c diff --git a/print-rsvp.c b/print-rsvp.c index c2ff5f63..6aa2f6d7 100644 --- a/print-rsvp.c +++ b/print-rsvp.c @@ -1,4 +1,6 @@ /* + * Copyright (c) 1998-2007 The TCPDUMP project + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that: (1) source code * distributions retain the above copyright notice and this paragraph @@ -14,8 +16,8 @@ */ #ifndef lint -static const char rcsid[] = - "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.24 2003-10-22 11:43:04 hannes Exp $"; +static const char rcsid[] _U_ = + "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.50 2008-08-16 11:36:20 hannes Exp $"; #endif #ifdef HAVE_CONFIG_H @@ -33,6 +35,8 @@ static const char rcsid[] = #include "addrtoname.h" #include "ethertype.h" #include "gmpls.h" +#include "af.h" +#include "signature.h" /* * RFC 2205 common header @@ -115,7 +119,7 @@ static const struct tok rsvp_header_flag_values[] = { #define RSVP_OBJ_SESSION 1 /* rfc2205 */ #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */ -#define RSVP_OBJ_INTEGRITY 4 +#define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */ #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */ #define RSVP_OBJ_ERROR_SPEC 6 #define RSVP_OBJ_SCOPE 7 @@ -132,22 +136,26 @@ static const struct tok rsvp_header_flag_values[] = { #define RSVP_OBJ_ERO 20 /* rfc3209 */ #define RSVP_OBJ_RRO 21 /* rfc3209 */ #define RSVP_OBJ_HELLO 22 /* rfc3209 */ -#define RSVP_OBJ_MESSAGE_ID 23 -#define RSVP_OBJ_MESSAGE_ID_ACK 24 -#define RSVP_OBJ_MESSAGE_ID_LIST 25 +#define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */ +#define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */ +#define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */ #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */ #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */ #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */ #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */ -#define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */ +#define RSVP_OBJ_S2L 50 /* rfc4875 */ +#define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */ +#define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */ +#define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */ #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */ #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */ #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */ #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */ #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */ #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */ -#define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */ +#define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */ #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */ +#define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */ #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */ #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */ @@ -179,16 +187,20 @@ static const struct tok rsvp_obj_values[] = { { RSVP_OBJ_LABEL_SET, "Label Set" }, { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" }, { RSVP_OBJ_DETOUR, "Detour" }, + { RSVP_OBJ_CLASSTYPE, "Class Type" }, + { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" }, { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" }, { RSVP_OBJ_PROPERTIES, "Properties" }, { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" }, { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" }, + { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" }, { RSVP_OBJ_CALL_ID, "Call-ID" }, { RSVP_OBJ_CALL_OPS, "Call Capability" }, { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" }, { RSVP_OBJ_NOTIFY_REQ, "Notify Request" }, { RSVP_OBJ_PROTECTION, "Protection" }, { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" }, + { RSVP_OBJ_S2L, "Sub-LSP to LSP" }, { 0, NULL} }; @@ -196,10 +208,14 @@ static const struct tok rsvp_obj_values[] = { #define RSVP_CTYPE_IPV6 2 #define RSVP_CTYPE_TUNNEL_IPV4 7 #define RSVP_CTYPE_TUNNEL_IPV6 8 +#define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */ #define RSVP_CTYPE_1 1 #define RSVP_CTYPE_2 2 #define RSVP_CTYPE_3 3 #define RSVP_CTYPE_4 4 +#define RSVP_CTYPE_12 12 +#define RSVP_CTYPE_13 13 +#define RSVP_CTYPE_14 14 /* * the ctypes are not globally unique so for @@ -225,12 +241,23 @@ static const struct tok rsvp_ctype_values[] = { { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" }, { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" }, { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, + { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" }, + { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" }, { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" }, { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" }, { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, + { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" }, + { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" }, + { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" }, { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" }, { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" }, { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, + { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" }, + { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" }, + { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" }, + { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" }, + { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" }, + { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" }, { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" }, { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" }, { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" }, @@ -258,18 +285,52 @@ static const struct tok rsvp_ctype_values[] = { { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" }, { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" }, { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, - { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, + { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/ + { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */ { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" }, + { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" }, + { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" }, + { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" }, + { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" }, + { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" }, + { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" }, + { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" }, { 0, NULL} }; +struct rsvp_obj_integrity_t { + u_int8_t flags; + u_int8_t res; + u_int8_t key_id[6]; + u_int8_t sequence[8]; + u_int8_t digest[16]; +}; + +static const struct tok rsvp_obj_integrity_flag_values[] = { + { 0x80, "Handshake" }, + { 0, NULL} +}; + +struct rsvp_obj_frr_t { + u_int8_t setup_prio; + u_int8_t hold_prio; + u_int8_t hop_limit; + u_int8_t flags; + u_int8_t bandwidth[4]; + u_int8_t include_any[4]; + u_int8_t exclude_any[4]; + u_int8_t include_all[4]; +}; + + #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f) #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80) #define RSVP_OBJ_XRO_RES 0 #define RSVP_OBJ_XRO_IPV4 1 #define RSVP_OBJ_XRO_IPV6 2 +#define RSVP_OBJ_XRO_LABEL 3 #define RSVP_OBJ_XRO_ASN 32 #define RSVP_OBJ_XRO_MPLS 64 @@ -277,12 +338,13 @@ static const struct tok rsvp_obj_xro_values[] = { { RSVP_OBJ_XRO_RES, "Reserved" }, { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" }, { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" }, + { RSVP_OBJ_XRO_LABEL, "Label" }, { RSVP_OBJ_XRO_ASN, "Autonomous system number" }, { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" }, { 0, NULL} }; -/* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */ +/* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */ static const struct tok rsvp_obj_rro_flag_values[] = { { 0x01, "Local protection available" }, { 0x02, "Local protection in use" }, @@ -291,6 +353,12 @@ static const struct tok rsvp_obj_rro_flag_values[] = { { 0, NULL} }; +/* RFC3209 */ +static const struct tok rsvp_obj_rro_label_flag_values[] = { + { 0x01, "Global" }, + { 0, NULL} +}; + static const struct tok rsvp_resstyle_values[] = { { 17, "Wildcard Filter" }, { 10, "Fixed Filter" }, @@ -323,11 +391,11 @@ static const struct tok rsvp_intserv_parameter_id_values[] = { }; static struct tok rsvp_session_attribute_flag_values[] = { - { 0x01, "Local Protection desired" }, - { 0x02, "Label Recording desired" }, - { 0x04, "SE Style desired" }, - { 0x08, "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */ - { 0x10, "Node protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */ + { 0x01, "Local Protection" }, + { 0x02, "Label Recording" }, + { 0x04, "SE Style" }, + { 0x08, "Bandwidth protection" }, /* RFC4090 */ + { 0x10, "Node protection" }, /* RFC4090 */ { 0, NULL} }; @@ -342,10 +410,14 @@ static struct tok rsvp_obj_prop_tlv_values[] = { #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25 +#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28 +#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125 static struct tok rsvp_obj_error_code_values[] = { { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" }, { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" }, + { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" }, + { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" }, { 0, NULL} }; @@ -363,11 +435,58 @@ static struct tok rsvp_obj_error_code_routing_values[] = { { 0, NULL} }; -#define FALSE 0 -#define TRUE 1 +static struct tok rsvp_obj_error_code_diffserv_te_values[] = { + { 1, "Unexpected CT object" }, + { 2, "Unsupported CT" }, + { 3, "Invalid CT value" }, + { 4, "CT/setup priority do not form a configured TE-Class" }, + { 5, "CT/holding priority do not form a configured TE-Class" }, + { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" }, + { 7, "Inconsistency between signaled PSC and signaled CT" }, + { 8, "Inconsistency between signaled PHBs and signaled CT" }, + { 0, NULL} +}; + +/* rfc3473 / rfc 3471 */ +static const struct tok rsvp_obj_admin_status_flag_values[] = { + { 0x80000000, "Reflect" }, + { 0x00000004, "Testing" }, + { 0x00000002, "Admin-down" }, + { 0x00000001, "Delete-in-progress" }, + { 0, NULL} +}; + +/* label set actions - rfc3471 */ +#define LABEL_SET_INCLUSIVE_LIST 0 +#define LABEL_SET_EXCLUSIVE_LIST 1 +#define LABEL_SET_INCLUSIVE_RANGE 2 +#define LABEL_SET_EXCLUSIVE_RANGE 3 + +static const struct tok rsvp_obj_label_set_action_values[] = { + { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" }, + { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" }, + { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" }, + { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" }, + { 0, NULL} +}; +/* OIF RSVP extensions UNI 1.0 Signaling, release 2 */ +#define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1 +#define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2 +#define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3 +#define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4 +#define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5 + +static const struct tok rsvp_obj_generalized_uni_values[] = { + { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" }, + { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" }, + { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" }, + { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" }, + { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" }, + { 0, NULL} +}; -int rsvp_intserv_print(const u_char *); +static int rsvp_intserv_print(const u_char *, u_short); /* * this is a dissector for all the intserv defined @@ -375,8 +494,8 @@ int rsvp_intserv_print(const u_char *); * it is called from various rsvp objects; * returns the amount of bytes being processed */ -int -rsvp_intserv_print(const u_char *tptr) { +static int +rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) { int parameter_id,parameter_length; union { @@ -384,6 +503,8 @@ rsvp_intserv_print(const u_char *tptr) { u_int32_t i; } bw; + if (obj_tlen < 4) + return 0; parameter_id = *(tptr); parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */ @@ -393,6 +514,8 @@ rsvp_intserv_print(const u_char *tptr) { parameter_length, *(tptr+1)); + if (obj_tlen < parameter_length+4) + return 0; switch(parameter_id) { /* parameter_id */ case 4: @@ -403,7 +526,8 @@ rsvp_intserv_print(const u_char *tptr) { * | IS hop cnt (32-bit unsigned integer) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ - printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4)); + if (parameter_length == 4) + printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4)); break; case 6: @@ -414,8 +538,10 @@ rsvp_intserv_print(const u_char *tptr) { * | Path b/w estimate (32-bit IEEE floating point number) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ - bw.i = EXTRACT_32BITS(tptr+4); - printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000); + if (parameter_length == 4) { + bw.i = EXTRACT_32BITS(tptr+4); + printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000); + } break; case 8: @@ -426,11 +552,13 @@ rsvp_intserv_print(const u_char *tptr) { * | Minimum path latency (32-bit integer) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ - printf("\n\t\tMinimum path latency: "); - if (EXTRACT_32BITS(tptr+4) == 0xffffffff) - printf("don't care"); - else - printf("%u", EXTRACT_32BITS(tptr+4)); + if (parameter_length == 4) { + printf("\n\t\tMinimum path latency: "); + if (EXTRACT_32BITS(tptr+4) == 0xffffffff) + printf("don't care"); + else + printf("%u", EXTRACT_32BITS(tptr+4)); + } break; case 10: @@ -442,7 +570,8 @@ rsvp_intserv_print(const u_char *tptr) { * | Composed MTU (32-bit unsigned integer) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ - printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4)); + if (parameter_length == 4) + printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4)); break; case 127: /* @@ -461,14 +590,16 @@ rsvp_intserv_print(const u_char *tptr) { * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ - bw.i = EXTRACT_32BITS(tptr+4); - printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000); - bw.i = EXTRACT_32BITS(tptr+8); - printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f); - bw.i = EXTRACT_32BITS(tptr+12); - printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000); - printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16)); - printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20)); + if (parameter_length == 20) { + bw.i = EXTRACT_32BITS(tptr+4); + printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000); + bw.i = EXTRACT_32BITS(tptr+8); + printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f); + bw.i = EXTRACT_32BITS(tptr+12); + printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000); + printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16)); + printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20)); + } break; case 130: @@ -482,16 +613,19 @@ rsvp_intserv_print(const u_char *tptr) { * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ - bw.i = EXTRACT_32BITS(tptr+4); - printf("\n\t\tRate: %.10g Mbps", bw.f/125000); - printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8)); + if (parameter_length == 8) { + bw.i = EXTRACT_32BITS(tptr+4); + printf("\n\t\tRate: %.10g Mbps", bw.f/125000); + printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8)); + } break; case 133: case 134: case 135: case 136: - printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4)); + if (parameter_length == 4) + printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4)); break; default: @@ -501,56 +635,36 @@ rsvp_intserv_print(const u_char *tptr) { return (parameter_length+4); /* header length 4 bytes */ } -void -rsvp_print(register const u_char *pptr, register u_int len) { +static int +rsvp_obj_print (const u_char *pptr +#ifndef HAVE_LIBCRYPTO +_U_ +#endif +, u_int plen +#ifndef HAVE_LIBCRYPTO +_U_ +#endif +, const u_char *tptr, + const char *ident, u_int tlen) { - const struct rsvp_common_header *rsvp_com_header; const struct rsvp_object_header *rsvp_obj_header; - const u_char *tptr,*obj_tptr; - u_short tlen,rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen; - int hexdump,processed,padbytes,error_code,error_value; + const u_char *obj_tptr; + union { + const struct rsvp_obj_integrity_t *rsvp_obj_integrity; + const struct rsvp_obj_frr_t *rsvp_obj_frr; + } obj_ptr; + + u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen; + int hexdump,processed,padbytes,error_code,error_value,i,sigcheck; union { float f; u_int32_t i; } bw; + u_int8_t namelen; - tptr=pptr; - rsvp_com_header = (const struct rsvp_common_header *)pptr; - TCHECK(*rsvp_com_header); - - /* - * Sanity checking of the header. - */ - if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) { - printf("RSVP version %u packet not supported", - RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)); - return; - } - - /* in non-verbose mode just lets print the basic Message Type*/ - if (vflag < 1) { - printf("RSVP %s Message, length: %u", - tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type), - len); - return; - } - - /* ok they seem to want to know everything - lets fully decode it */ - - tlen=EXTRACT_16BITS(rsvp_com_header->length); - - printf("RSVP\n\tv: %u, msg-type: %s, Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x", - RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags), - tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type), - bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)), - tlen, - rsvp_com_header->ttl, - EXTRACT_16BITS(rsvp_com_header->checksum)); - - tptr+=sizeof(const struct rsvp_common_header); - tlen-=sizeof(const struct rsvp_common_header); + u_int action, subchannel; - while(tlen>0) { + while(tlen>=sizeof(struct rsvp_object_header)) { /* did we capture enough for fully decoding the object header ? */ if (!TTEST2(*tptr, sizeof(struct rsvp_object_header))) goto trunc; @@ -559,10 +673,18 @@ rsvp_print(register const u_char *pptr, register u_int len) { rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length); rsvp_obj_ctype=rsvp_obj_header->ctype; - if(rsvp_obj_len % 4 || rsvp_obj_len < 4) - return; + if(rsvp_obj_len % 4) { + printf("%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len); + return -1; + } + if(rsvp_obj_len < sizeof(struct rsvp_object_header)) { + printf("%sERROR: object header too short %u < %lu", ident, rsvp_obj_len, + (unsigned long)sizeof(const struct rsvp_object_header)); + return -1; + } - printf("\n\t %s Object (%u) Flags: [%s", + printf("%s%s Object (%u) Flags: [%s", + ident, tok2str(rsvp_obj_values, "Unknown", rsvp_obj_header->class_num), @@ -579,23 +701,32 @@ rsvp_print(register const u_char *pptr, register u_int len) { ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype), rsvp_obj_ctype, rsvp_obj_len); + + if(tlen < rsvp_obj_len) { + printf("%sERROR: object goes past end of objects TLV", ident); + return -1; + } obj_tptr=tptr+sizeof(struct rsvp_object_header); obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header); /* did we capture enough for fully decoding the object ? */ if (!TTEST2(*tptr, rsvp_obj_len)) - goto trunc; + return -1; hexdump=FALSE; switch(rsvp_obj_header->class_num) { case RSVP_OBJ_SESSION: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: - printf("\n\t IPv4 DestAddress: %s, Protocol ID: 0x%02x", + if (obj_tlen < 8) + return -1; + printf("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x", + ident, ipaddr_string(obj_tptr), - *(obj_tptr+4)); - printf("\n\t Flags: [0x%02x], DestPort %u", + *(obj_tptr+sizeof(struct in_addr))); + printf("%s Flags: [0x%02x], DestPort %u", + ident, *(obj_tptr+5), EXTRACT_16BITS(obj_tptr+6)); obj_tlen-=8; @@ -603,27 +734,61 @@ rsvp_print(register const u_char *pptr, register u_int len) { break; #ifdef INET6 case RSVP_CTYPE_IPV6: - printf("\n\t IPv6 DestAddress: %s, Protocol ID: 0x%02x", + if (obj_tlen < 20) + return -1; + printf("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x", + ident, ip6addr_string(obj_tptr), - *(obj_tptr+16)); - printf("\n\t Flags: [0x%02x], DestPort %u", - *(obj_tptr+17), - EXTRACT_16BITS(obj_tptr+18)); + *(obj_tptr+sizeof(struct in6_addr))); + printf("%s Flags: [0x%02x], DestPort %u", + ident, + *(obj_tptr+sizeof(struct in6_addr)+1), + EXTRACT_16BITS(obj_tptr+sizeof(struct in6_addr)+2)); obj_tlen-=20; obj_tptr+=20; break; case RSVP_CTYPE_TUNNEL_IPV6: - printf("\n\t IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", + if (obj_tlen < 36) + return -1; + printf("%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", + ident, ip6addr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+18), ip6addr_string(obj_tptr+20)); obj_tlen-=36; obj_tptr+=36; break; + + case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */ + if (obj_tlen < 26) + return -1; + printf("%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", + ident, + EXTRACT_32BITS(obj_tptr), + EXTRACT_16BITS(obj_tptr+6), + ip6addr_string(obj_tptr+8)); + obj_tlen-=26; + obj_tptr+=26; + break; #endif + case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */ + if (obj_tlen < 12) + return -1; + printf("%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", + ident, + ipaddr_string(obj_tptr), + EXTRACT_16BITS(obj_tptr+6), + ipaddr_string(obj_tptr+8)); + obj_tlen-=12; + obj_tptr+=12; + break; case RSVP_CTYPE_TUNNEL_IPV4: - printf("\n\t IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", + case RSVP_CTYPE_UNI_IPV4: + if (obj_tlen < 12) + return -1; + printf("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", + ident, ipaddr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+6), ipaddr_string(obj_tptr+8)); @@ -638,17 +803,23 @@ rsvp_print(register const u_char *pptr, register u_int len) { case RSVP_OBJ_CONFIRM: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: - printf("\n\t IPv4 Receiver Address: %s", + if (obj_tlen < sizeof(struct in_addr)) + return -1; + printf("%s IPv4 Receiver Address: %s", + ident, ipaddr_string(obj_tptr)); - obj_tlen-=4; - obj_tptr+=4; + obj_tlen-=sizeof(struct in_addr); + obj_tptr+=sizeof(struct in_addr); break; #ifdef INET6 case RSVP_CTYPE_IPV6: - printf("\n\t IPv6 Receiver Address: %s", + if (obj_tlen < sizeof(struct in6_addr)) + return -1; + printf("%s IPv6 Receiver Address: %s", + ident, ip6addr_string(obj_tptr)); - obj_tlen-=16; - obj_tptr+=16; + obj_tlen-=sizeof(struct in6_addr); + obj_tptr+=sizeof(struct in6_addr); break; #endif default: @@ -659,17 +830,23 @@ rsvp_print(register const u_char *pptr, register u_int len) { case RSVP_OBJ_NOTIFY_REQ: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: - printf("\n\t IPv4 Notify Node Address: %s", + if (obj_tlen < sizeof(struct in_addr)) + return -1; + printf("%s IPv4 Notify Node Address: %s", + ident, ipaddr_string(obj_tptr)); - obj_tlen-=4; - obj_tptr+=4; + obj_tlen-=sizeof(struct in_addr); + obj_tptr+=sizeof(struct in_addr); break; #ifdef INET6 case RSVP_CTYPE_IPV6: - printf("\n\t IPv6 Notify Node Address: %s", + if (obj_tlen < sizeof(struct in6_addr)) + return-1; + printf("%s IPv6 Notify Node Address: %s", + ident, ip6addr_string(obj_tptr)); - obj_tlen-=16; - obj_tptr+=16; + obj_tlen-=sizeof(struct in6_addr); + obj_tptr+=sizeof(struct in6_addr); break; #endif default: @@ -684,20 +861,27 @@ rsvp_print(register const u_char *pptr, register u_int len) { switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: while(obj_tlen >= 4 ) { - printf("\n\t Label: %u", EXTRACT_32BITS(obj_tptr)); + printf("%s Label: %u", ident, EXTRACT_32BITS(obj_tptr)); obj_tlen-=4; obj_tptr+=4; } break; case RSVP_CTYPE_2: - printf("\n\t Generalized Label: %u", + if (obj_tlen < 4) + return-1; + printf("%s Generalized Label: %u", + ident, EXTRACT_32BITS(obj_tptr)); obj_tlen-=4; obj_tptr+=4; break; case RSVP_CTYPE_3: - printf("\n\t Waveband ID: %u\n\t Start Label: %u, Stop Label: %u", + if (obj_tlen < 12) + return-1; + printf("%s Waveband ID: %u%s Start Label: %u, Stop Label: %u", + ident, EXTRACT_32BITS(obj_tptr), + ident, EXTRACT_32BITS(obj_tptr+4), EXTRACT_32BITS(obj_tptr+8)); obj_tlen-=12; @@ -711,7 +895,10 @@ rsvp_print(register const u_char *pptr, register u_int len) { case RSVP_OBJ_STYLE: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: - printf("\n\t Reservation Style: %s, Flags: [0x%02x]", + if (obj_tlen < 4) + return-1; + printf("%s Reservation Style: %s, Flags: [0x%02x]", + ident, tok2str(rsvp_resstyle_values, "Unknown", EXTRACT_24BITS(obj_tptr+1)), @@ -727,7 +914,10 @@ rsvp_print(register const u_char *pptr, register u_int len) { case RSVP_OBJ_SENDER_TEMPLATE: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: - printf("\n\t Source Address: %s, Source Port: %u", + if (obj_tlen < 8) + return-1; + printf("%s Source Address: %s, Source Port: %u", + ident, ipaddr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+6)); obj_tlen-=8; @@ -735,20 +925,54 @@ rsvp_print(register const u_char *pptr, register u_int len) { break; #ifdef INET6 case RSVP_CTYPE_IPV6: - printf("\n\t Source Address: %s, Source Port: %u", + if (obj_tlen < 20) + return-1; + printf("%s Source Address: %s, Source Port: %u", + ident, ip6addr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+18)); obj_tlen-=20; obj_tptr+=20; break; + case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */ + if (obj_tlen < 40) + return-1; + printf("%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x" + "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", + ident, + ip6addr_string(obj_tptr), + EXTRACT_16BITS(obj_tptr+18), + ident, + ip6addr_string(obj_tptr+20), + EXTRACT_16BITS(obj_tptr+38)); + obj_tlen-=40; + obj_tptr+=40; + break; #endif case RSVP_CTYPE_TUNNEL_IPV4: - printf("\n\t IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x", + if (obj_tlen < 8) + return-1; + printf("%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x", + ident, ipaddr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+6)); obj_tlen-=8; obj_tptr+=8; break; + case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */ + if (obj_tlen < 16) + return-1; + printf("%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x" + "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", + ident, + ipaddr_string(obj_tptr), + EXTRACT_16BITS(obj_tptr+6), + ident, + ipaddr_string(obj_tptr+8), + EXTRACT_16BITS(obj_tptr+12)); + obj_tlen-=16; + obj_tptr+=16; + break; default: hexdump=TRUE; } @@ -758,7 +982,8 @@ rsvp_print(register const u_char *pptr, register u_int len) { switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: while(obj_tlen >= 4 ) { - printf("\n\t L3 Protocol ID: %s", + printf("%s L3 Protocol ID: %s", + ident, tok2str(ethertype_values, "Unknown Protocol (0x%04x)", EXTRACT_16BITS(obj_tptr+2))); @@ -767,26 +992,35 @@ rsvp_print(register const u_char *pptr, register u_int len) { } break; case RSVP_CTYPE_2: - printf("\n\t L3 Protocol ID: %s", + if (obj_tlen < 12) + return-1; + printf("%s L3 Protocol ID: %s", + ident, tok2str(ethertype_values, "Unknown Protocol (0x%04x)", EXTRACT_16BITS(obj_tptr+2))); printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" ); - printf("\n\t Minimum VPI/VCI: %u/%u", + printf("%s Minimum VPI/VCI: %u/%u", + ident, (EXTRACT_16BITS(obj_tptr+4))&0xfff, (EXTRACT_16BITS(obj_tptr+6))&0xfff); - printf("\n\t Maximum VPI/VCI: %u/%u", + printf("%s Maximum VPI/VCI: %u/%u", + ident, (EXTRACT_16BITS(obj_tptr+8))&0xfff, (EXTRACT_16BITS(obj_tptr+10))&0xfff); obj_tlen-=12; obj_tptr+=12; break; case RSVP_CTYPE_3: - printf("\n\t L3 Protocol ID: %s", + if (obj_tlen < 12) + return-1; + printf("%s L3 Protocol ID: %s", + ident, tok2str(ethertype_values, "Unknown Protocol (0x%04x)", EXTRACT_16BITS(obj_tptr+2))); - printf("\n\t Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI", + printf("%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI", + ident, (EXTRACT_32BITS(obj_tptr+4))&0x7fffff, (EXTRACT_32BITS(obj_tptr+8))&0x7fffff, (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "", @@ -795,12 +1029,16 @@ rsvp_print(register const u_char *pptr, register u_int len) { obj_tptr+=12; break; case RSVP_CTYPE_4: - printf("\n\t LSP Encoding Type: %s (%u)", + if (obj_tlen < 4) + return-1; + printf("%s LSP Encoding Type: %s (%u)", + ident, tok2str(gmpls_encoding_values, "Unknown", *obj_tptr), *obj_tptr); - printf("\n\t Switching Type: %s (%u), Payload ID: %s (0x%04x)", + printf("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)", + ident, tok2str(gmpls_switch_cap_values, "Unknown", *(obj_tptr+1)), @@ -809,8 +1047,8 @@ rsvp_print(register const u_char *pptr, register u_int len) { "Unknown", EXTRACT_16BITS(obj_tptr+2)), EXTRACT_16BITS(obj_tptr+2)); - obj_tlen-=8; - obj_tptr+=8; + obj_tlen-=4; + obj_tptr+=4; break; default: hexdump=TRUE; @@ -822,10 +1060,18 @@ rsvp_print(register const u_char *pptr, register u_int len) { switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: while(obj_tlen >= 4 ) { - printf("\n\t Subobject Type: %s", + printf("%s Subobject Type: %s, length %u", + ident, tok2str(rsvp_obj_xro_values, "Unknown %u", - RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr))); + RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)), + *(obj_tptr+1)); + + if (*(obj_tptr+1) == 0) { /* prevent infinite loops */ + printf("%s ERROR: zero length ERO subtype",ident); + break; + } + switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) { case RSVP_OBJ_XRO_IPV4: printf(", %s, %s/%u, Flags: [%s]", @@ -835,6 +1081,18 @@ rsvp_print(register const u_char *pptr, register u_int len) { bittok2str(rsvp_obj_rro_flag_values, "none", *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */ + break; + case RSVP_OBJ_XRO_LABEL: + printf(", Flags: [%s] (%#x), Class-Type: %s (%u), %u", + bittok2str(rsvp_obj_rro_label_flag_values, + "none", + *(obj_tptr+2)), + *(obj_tptr+2), + tok2str(rsvp_ctype_values, + "Unknown", + *(obj_tptr+3) + 256*RSVP_OBJ_RRO), + *(obj_tptr+3), + EXTRACT_32BITS(obj_tptr+4)); } obj_tlen-=*(obj_tptr+1); obj_tptr+=*(obj_tptr+1); @@ -849,7 +1107,10 @@ rsvp_print(register const u_char *pptr, register u_int len) { switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: case RSVP_CTYPE_2: - printf("\n\t Source Instance: 0x%08x, Destination Instance: 0x%08x", + if (obj_tlen < 8) + return-1; + printf("%s Source Instance: 0x%08x, Destination Instance: 0x%08x", + ident, EXTRACT_32BITS(obj_tptr), EXTRACT_32BITS(obj_tptr+4)); obj_tlen-=8; @@ -863,9 +1124,14 @@ rsvp_print(register const u_char *pptr, register u_int len) { case RSVP_OBJ_RESTART_CAPABILITY: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: - printf("\n\t Restart Time: %ums, Recovery Time: %ums", - EXTRACT_16BITS(obj_tptr), - EXTRACT_16BITS(obj_tptr+4)); + if (obj_tlen < 8) + return-1; + printf("%s Restart Time: %ums, Recovery Time: %ums", + ident, + EXTRACT_32BITS(obj_tptr), + EXTRACT_32BITS(obj_tptr+4)); + obj_tlen-=8; + obj_tptr+=8; break; default: hexdump=TRUE; @@ -875,14 +1141,22 @@ rsvp_print(register const u_char *pptr, register u_int len) { case RSVP_OBJ_SESSION_ATTRIBUTE: switch(rsvp_obj_ctype) { case RSVP_CTYPE_TUNNEL_IPV4: - printf("\n\t Session Name: %s",(obj_tptr+4)); - printf("\n\t Setup Priority: %u, Holding Priority: %u, Flags: [%s]", + if (obj_tlen < 4) + return-1; + namelen = *(obj_tptr+3); + if (obj_tlen < 4+namelen) + return-1; + printf("%s Session Name: ", ident); + for (i = 0; i < namelen; i++) + safeputchar(*(obj_tptr+4+i)); + printf("%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)", + ident, (int)*obj_tptr, (int)*(obj_tptr+1), - tok2str(rsvp_session_attribute_flag_values, + bittok2str(rsvp_session_attribute_flag_values, "none", - *(obj_tptr+2))); - + *(obj_tptr+2)), + *(obj_tptr+2)); obj_tlen-=4+*(obj_tptr+3); obj_tptr+=4+*(obj_tptr+3); break; @@ -891,21 +1165,128 @@ rsvp_print(register const u_char *pptr, register u_int len) { } break; + case RSVP_OBJ_GENERALIZED_UNI: + switch(rsvp_obj_ctype) { + int subobj_type,af,subobj_len,total_subobj_len; + + case RSVP_CTYPE_1: + + if (obj_tlen < 4) + return-1; + + /* read variable length subobjects */ + total_subobj_len = obj_tlen; + while(total_subobj_len > 0) { + subobj_len = EXTRACT_16BITS(obj_tptr); + subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8; + af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF; + + printf("%s Subobject Type: %s (%u), AF: %s (%u), length: %u", + ident, + tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type), + subobj_type, + tok2str(af_values, "Unknown", af), af, + subobj_len); + + switch(subobj_type) { + case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS: + case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS: + + switch(af) { + case AFNUM_INET: + if (subobj_len < 8) + return -1; + printf("%s UNI IPv4 TNA address: %s", + ident, ipaddr_string(obj_tptr+4)); + break; +#ifdef INET6 + case AFNUM_INET6: + if (subobj_len < 20) + return -1; + printf("%s UNI IPv6 TNA address: %s", + ident, ip6addr_string(obj_tptr+4)); + break; +#endif + case AFNUM_NSAP: + if (subobj_len) { + /* unless we have a TLV parser lets just hexdump */ + hexdump=TRUE; + } + break; + } + break; + + case RSVP_GEN_UNI_SUBOBJ_DIVERSITY: + if (subobj_len) { + /* unless we have a TLV parser lets just hexdump */ + hexdump=TRUE; + } + break; + + case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL: + if (subobj_len < 16) { + return -1; + } + + printf("%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u", + ident, + ((EXTRACT_32BITS(obj_tptr+4))>>31), + ((EXTRACT_32BITS(obj_tptr+4))&0xFF), + EXTRACT_32BITS(obj_tptr+8), + EXTRACT_32BITS(obj_tptr+12)); + break; + + case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL: + if (subobj_len < 8) { + return -1; + } + + printf("%s Service level: %u", + ident, (EXTRACT_32BITS(obj_tptr+4))>>24); + break; + + default: + hexdump=TRUE; + break; + } + total_subobj_len-=subobj_len; + obj_tptr+=subobj_len; + obj_tlen+=subobj_len; + } + + if (total_subobj_len) { + /* unless we have a TLV parser lets just hexdump */ + hexdump=TRUE; + } + break; + + default: + hexdump=TRUE; + } + break; + case RSVP_OBJ_RSVP_HOP: switch(rsvp_obj_ctype) { case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */ case RSVP_CTYPE_IPV4: - printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", + if (obj_tlen < 8) + return-1; + printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", + ident, ipaddr_string(obj_tptr), EXTRACT_32BITS(obj_tptr+4)); obj_tlen-=8; obj_tptr+=8; - hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */ + if (obj_tlen) + hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */ break; #ifdef INET6 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */ case RSVP_CTYPE_IPV6: - printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", + if (obj_tlen < 20) + return-1; + printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", + ident, ip6addr_string(obj_tptr), EXTRACT_32BITS(obj_tptr+16)); obj_tlen-=20; @@ -921,7 +1302,10 @@ rsvp_print(register const u_char *pptr, register u_int len) { case RSVP_OBJ_TIME_VALUES: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: - printf("\n\t Refresh Period: %ums", + if (obj_tlen < 4) + return-1; + printf("%s Refresh Period: %ums", + ident, EXTRACT_32BITS(obj_tptr)); obj_tlen-=4; obj_tptr+=4; @@ -937,7 +1321,10 @@ rsvp_print(register const u_char *pptr, register u_int len) { case RSVP_OBJ_FLOWSPEC: switch(rsvp_obj_ctype) { case RSVP_CTYPE_2: - printf("\n\t Msg-Version: %u, length: %u", + if (obj_tlen < 4) + return-1; + printf("%s Msg-Version: %u, length: %u", + ident, (*obj_tptr & 0xf0) >> 4, EXTRACT_16BITS(obj_tptr+2)<<2); obj_tptr+=4; /* get to the start of the service header */ @@ -945,7 +1332,8 @@ rsvp_print(register const u_char *pptr, register u_int len) { while (obj_tlen >= 4) { intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2; - printf("\n\t Service Type: %s (%u), break bit %s set, Service length: %u", + printf("%s Service Type: %s (%u), break bit %s set, Service length: %u", + ident, tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)), *(obj_tptr), (*(obj_tptr+1)&0x80) ? "" : "not", @@ -955,7 +1343,7 @@ rsvp_print(register const u_char *pptr, register u_int len) { obj_tlen-=4; while (intserv_serv_tlen>=4) { - processed = rsvp_intserv_print(obj_tptr); + processed = rsvp_intserv_print(obj_tptr, obj_tlen); if (processed == 0) break; obj_tlen-=processed; @@ -972,7 +1360,10 @@ rsvp_print(register const u_char *pptr, register u_int len) { case RSVP_OBJ_FILTERSPEC: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: - printf("\n\t Source Address: %s, Source Port: %u", + if (obj_tlen < 8) + return-1; + printf("%s Source Address: %s, Source Port: %u", + ident, ipaddr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+6)); obj_tlen-=8; @@ -980,54 +1371,120 @@ rsvp_print(register const u_char *pptr, register u_int len) { break; #ifdef INET6 case RSVP_CTYPE_IPV6: - printf("\n\t Source Address: %s, Source Port: %u", + if (obj_tlen < 20) + return-1; + printf("%s Source Address: %s, Source Port: %u", + ident, ip6addr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+18)); obj_tlen-=20; obj_tptr+=20; break; case RSVP_CTYPE_3: - printf("\n\t Source Address: %s, Flow Label: %u", + if (obj_tlen < 20) + return-1; + printf("%s Source Address: %s, Flow Label: %u", + ident, ip6addr_string(obj_tptr), EXTRACT_24BITS(obj_tptr+17)); obj_tlen-=20; obj_tptr+=20; break; case RSVP_CTYPE_TUNNEL_IPV6: - printf("\n\t Source Address: %s, LSP-ID: 0x%04x", + if (obj_tlen < 20) + return-1; + printf("%s Source Address: %s, LSP-ID: 0x%04x", + ident, ipaddr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+18)); obj_tlen-=20; obj_tptr+=20; break; + case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */ + if (obj_tlen < 40) + return-1; + printf("%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x" + "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", + ident, + ip6addr_string(obj_tptr), + EXTRACT_16BITS(obj_tptr+18), + ident, + ip6addr_string(obj_tptr+20), + EXTRACT_16BITS(obj_tptr+38)); + obj_tlen-=40; + obj_tptr+=40; + break; #endif case RSVP_CTYPE_TUNNEL_IPV4: - printf("\n\t Source Address: %s, LSP-ID: 0x%04x", + if (obj_tlen < 8) + return-1; + printf("%s Source Address: %s, LSP-ID: 0x%04x", + ident, ipaddr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+6)); obj_tlen-=8; obj_tptr+=8; break; + case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */ + if (obj_tlen < 16) + return-1; + printf("%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x" + "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", + ident, + ipaddr_string(obj_tptr), + EXTRACT_16BITS(obj_tptr+6), + ident, + ipaddr_string(obj_tptr+8), + EXTRACT_16BITS(obj_tptr+12)); + obj_tlen-=16; + obj_tptr+=16; + break; default: hexdump=TRUE; } break; case RSVP_OBJ_FASTREROUTE: + /* the differences between c-type 1 and 7 are minor */ + obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr; + bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth); + switch(rsvp_obj_ctype) { - case RSVP_CTYPE_TUNNEL_IPV4: - bw.i = EXTRACT_32BITS(obj_tptr+4); - printf("\n\t Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", - (int)*obj_tptr, - (int)*(obj_tptr+1), - (int)*(obj_tptr+2), + case RSVP_CTYPE_1: /* new style */ + if (obj_tlen < sizeof(struct rsvp_obj_frr_t)) + return-1; + printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", + ident, + (int)obj_ptr.rsvp_obj_frr->setup_prio, + (int)obj_ptr.rsvp_obj_frr->hold_prio, + (int)obj_ptr.rsvp_obj_frr->hop_limit, + bw.f*8/1000000); + printf("%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x", + ident, + EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any), + EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any), + EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)); + obj_tlen-=sizeof(struct rsvp_obj_frr_t); + obj_tptr+=sizeof(struct rsvp_obj_frr_t); + break; + + case RSVP_CTYPE_TUNNEL_IPV4: /* old style */ + if (obj_tlen < 16) + return-1; + printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", + ident, + (int)obj_ptr.rsvp_obj_frr->setup_prio, + (int)obj_ptr.rsvp_obj_frr->hold_prio, + (int)obj_ptr.rsvp_obj_frr->hop_limit, bw.f*8/1000000); - printf("\n\t Include Colors: 0x%08x, Exclude Colors: 0x%08x", - EXTRACT_32BITS(obj_tptr+8), - EXTRACT_32BITS(obj_tptr+12)); + printf("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x", + ident, + EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any), + EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any)); obj_tlen-=16; obj_tptr+=16; break; + default: hexdump=TRUE; } @@ -1037,7 +1494,8 @@ rsvp_print(register const u_char *pptr, register u_int len) { switch(rsvp_obj_ctype) { case RSVP_CTYPE_TUNNEL_IPV4: while(obj_tlen >= 8) { - printf("\n\t PLR-ID: %s, Avoid-Node-ID: %s", + printf("%s PLR-ID: %s, Avoid-Node-ID: %s", + ident, ipaddr_string(obj_tptr), ipaddr_string(obj_tptr+4)); obj_tlen-=8; @@ -1049,15 +1507,34 @@ rsvp_print(register const u_char *pptr, register u_int len) { } break; + case RSVP_OBJ_CLASSTYPE: + case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */ + switch(rsvp_obj_ctype) { + case RSVP_CTYPE_1: + printf("%s CT: %u", + ident, + EXTRACT_32BITS(obj_tptr)&0x7); + obj_tlen-=4; + obj_tptr+=4; + break; + default: + hexdump=TRUE; + } + break; + case RSVP_OBJ_ERROR_SPEC: switch(rsvp_obj_ctype) { case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */ case RSVP_CTYPE_IPV4: + if (obj_tlen < 8) + return-1; error_code=*(obj_tptr+5); error_value=EXTRACT_16BITS(obj_tptr+6); - printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)", + printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", + ident, ipaddr_string(obj_tptr), *(obj_tptr+4), + ident, tok2str(rsvp_obj_error_code_values,"unknown",error_code), error_code); switch (error_code) { @@ -1066,19 +1543,31 @@ rsvp_print(register const u_char *pptr, register u_int len) { tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value), error_value); break; + case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */ + case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD: + printf(", Error Value: %s (%u)", + tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value), + error_value); + break; default: printf(", Unknown Error Value (%u)", error_value); break; } + obj_tlen-=8; + obj_tptr+=8; break; #ifdef INET6 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */ case RSVP_CTYPE_IPV6: + if (obj_tlen < 20) + return-1; error_code=*(obj_tptr+17); error_value=EXTRACT_16BITS(obj_tptr+18); - printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)", + printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", + ident, ip6addr_string(obj_tptr), *(obj_tptr+16), + ident, tok2str(rsvp_obj_error_code_values,"unknown",error_code), error_code); @@ -1091,7 +1580,8 @@ rsvp_print(register const u_char *pptr, register u_int len) { default: break; } - + obj_tlen-=20; + obj_tptr+=20; break; #endif default: @@ -1102,18 +1592,26 @@ rsvp_print(register const u_char *pptr, register u_int len) { case RSVP_OBJ_PROPERTIES: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: + if (obj_tlen < 4) + return-1; padbytes = EXTRACT_16BITS(obj_tptr+2); - printf("\n\t TLV count: %u, padding bytes: %u", + printf("%s TLV count: %u, padding bytes: %u", + ident, EXTRACT_16BITS(obj_tptr), padbytes); - obj_tlen-=4; - obj_tptr+=4; + obj_tlen-=4; + obj_tptr+=4; /* loop through as long there is anything longer than the TLV header (2) */ while(obj_tlen >= 2 + padbytes) { - printf("\n\t %s TLV (0x%02x), length: %u", /* length includes header */ + printf("%s %s TLV (0x%02x), length: %u", /* length includes header */ + ident, tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr), *obj_tptr, *(obj_tptr+1)); + if (obj_tlen < *(obj_tptr+1)) + return-1; + if (*(obj_tptr+1) < 2) + return -1; print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2); obj_tlen-=*(obj_tptr+1); obj_tptr+=*(obj_tptr+1); @@ -1124,33 +1622,322 @@ rsvp_print(register const u_char *pptr, register u_int len) { } break; + case RSVP_OBJ_MESSAGE_ID: /* fall through */ + case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */ + case RSVP_OBJ_MESSAGE_ID_LIST: + switch(rsvp_obj_ctype) { + case RSVP_CTYPE_1: + case RSVP_CTYPE_2: + if (obj_tlen < 8) + return-1; + printf("%s Flags [0x%02x], epoch: %u", + ident, + *obj_tptr, + EXTRACT_24BITS(obj_tptr+1)); + obj_tlen-=4; + obj_tptr+=4; + /* loop through as long there are no messages left */ + while(obj_tlen >= 4) { + printf("%s Message-ID 0x%08x (%u)", + ident, + EXTRACT_32BITS(obj_tptr), + EXTRACT_32BITS(obj_tptr)); + obj_tlen-=4; + obj_tptr+=4; + } + break; + default: + hexdump=TRUE; + } + break; + + case RSVP_OBJ_INTEGRITY: + switch(rsvp_obj_ctype) { + case RSVP_CTYPE_1: + if (obj_tlen < sizeof(struct rsvp_obj_integrity_t)) + return-1; + obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr; + printf("%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]", + ident, + EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id), + EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2), + EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence), + EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4), + bittok2str(rsvp_obj_integrity_flag_values, + "none", + obj_ptr.rsvp_obj_integrity->flags)); + printf("%s MD5-sum 0x%08x%08x%08x%08x ", + ident, + EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest), + EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4), + EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8), + EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+12)); + +#ifdef HAVE_LIBCRYPTO + sigcheck = signature_verify(pptr, plen, (unsigned char *)obj_ptr.\ + rsvp_obj_integrity->digest); +#else + sigcheck = CANT_CHECK_SIGNATURE; +#endif + printf(" (%s)", tok2str(signature_check_values, "Unknown", sigcheck)); + + obj_tlen+=sizeof(struct rsvp_obj_integrity_t); + obj_tptr+=sizeof(struct rsvp_obj_integrity_t); + break; + default: + hexdump=TRUE; + } + break; + + case RSVP_OBJ_ADMIN_STATUS: + switch(rsvp_obj_ctype) { + case RSVP_CTYPE_1: + if (obj_tlen < 4) + return-1; + printf("%s Flags [%s]", ident, + bittok2str(rsvp_obj_admin_status_flag_values, "none", + EXTRACT_32BITS(obj_tptr))); + obj_tlen-=4; + obj_tptr+=4; + break; + default: + hexdump=TRUE; + } + break; + + case RSVP_OBJ_LABEL_SET: + switch(rsvp_obj_ctype) { + case RSVP_CTYPE_1: + if (obj_tlen < 4) + return-1; + action = (EXTRACT_16BITS(obj_tptr)>>8); + + printf("%s Action: %s (%u), Label type: %u", ident, + tok2str(rsvp_obj_label_set_action_values, "Unknown", action), + action, ((EXTRACT_32BITS(obj_tptr) & 0x7F))); + + switch (action) { + case LABEL_SET_INCLUSIVE_RANGE: + case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */ + + /* only a couple of subchannels are expected */ + if (obj_tlen < 12) + return -1; + printf("%s Start range: %u, End range: %u", ident, + EXTRACT_32BITS(obj_tptr+4), + EXTRACT_32BITS(obj_tptr+8)); + obj_tlen-=12; + obj_tptr+=12; + break; + + default: + obj_tlen-=4; + obj_tptr+=4; + subchannel = 1; + while(obj_tlen >= 4 ) { + printf("%s Subchannel #%u: %u", ident, subchannel, + EXTRACT_32BITS(obj_tptr)); + obj_tptr+=4; + obj_tlen-=4; + subchannel++; + } + break; + } + break; + default: + hexdump=TRUE; + } + + case RSVP_OBJ_S2L: + switch (rsvp_obj_ctype) { + case RSVP_CTYPE_IPV4: + if (obj_tlen < 4) + return-1; + printf("%s Sub-LSP destination address: %s", + ident, ipaddr_string(obj_tptr)); + + obj_tlen-=4; + obj_tptr+=4; + break; +#ifdef INET6 + case RSVP_CTYPE_IPV6: + if (obj_tlen < 16) + return-1; + printf("%s Sub-LSP destination address: %s", + ident, ip6addr_string(obj_tptr)); + + obj_tlen-=16; + obj_tptr+=16; + break; +#endif + default: + hexdump=TRUE; + } + /* * FIXME those are the defined objects that lack a decoder * you are welcome to contribute code ;-) */ - case RSVP_OBJ_INTEGRITY: case RSVP_OBJ_SCOPE: case RSVP_OBJ_POLICY_DATA: - case RSVP_OBJ_MESSAGE_ID: - case RSVP_OBJ_MESSAGE_ID_ACK: - case RSVP_OBJ_MESSAGE_ID_LIST: - case RSVP_OBJ_LABEL_SET: case RSVP_OBJ_ACCEPT_LABEL_SET: case RSVP_OBJ_PROTECTION: default: if (vflag <= 1) - print_unknown_data(obj_tptr,"\n\t ",obj_tlen); + print_unknown_data(obj_tptr,"\n\t ",obj_tlen); /* FIXME indentation */ break; } - /* do we want to see an additionally hexdump ? */ + /* do we also want to see a hex dump ? */ if (vflag > 1 || hexdump==TRUE) - print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ", + print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ", /* FIXME indentation */ rsvp_obj_len-sizeof(struct rsvp_object_header)); tptr+=rsvp_obj_len; tlen-=rsvp_obj_len; } + return 0; +trunc: + printf("\n\t\t packet exceeded snapshot"); + return -1; +} + + +void +rsvp_print(register const u_char *pptr, register u_int len) { + + struct rsvp_common_header *rsvp_com_header; + const u_char *tptr,*subtptr; + u_short plen, tlen, subtlen; + + tptr=pptr; + + rsvp_com_header = (struct rsvp_common_header *)pptr; + TCHECK(*rsvp_com_header); + + /* + * Sanity checking of the header. + */ + if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) { + printf("ERROR: RSVP version %u packet not supported", + RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)); + return; + } + + /* in non-verbose mode just lets print the basic Message Type*/ + if (vflag < 1) { + printf("RSVPv%u %s Message, length: %u", + RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags), + tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type), + len); + return; + } + + /* ok they seem to want to know everything - lets fully decode it */ + + plen = tlen = EXTRACT_16BITS(rsvp_com_header->length); + + printf("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x", + RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags), + tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type), + rsvp_com_header->msg_type, + bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)), + tlen, + rsvp_com_header->ttl, + EXTRACT_16BITS(rsvp_com_header->checksum)); + + /* + * Clear checksum prior to signature verification. + */ + rsvp_com_header->checksum[0] = 0; + rsvp_com_header->checksum[1] = 0; + + if (tlen < sizeof(const struct rsvp_common_header)) { + printf("ERROR: common header too short %u < %lu", tlen, + (unsigned long)sizeof(const struct rsvp_common_header)); + return; + } + + tptr+=sizeof(const struct rsvp_common_header); + tlen-=sizeof(const struct rsvp_common_header); + + switch(rsvp_com_header->msg_type) { + + case RSVP_MSGTYPE_AGGREGATE: + while(tlen > 0) { + subtptr=tptr; + rsvp_com_header = (struct rsvp_common_header *)subtptr; + TCHECK(*rsvp_com_header); + + /* + * Sanity checking of the header. + */ + if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) { + printf("ERROR: RSVP version %u packet not supported", + RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)); + return; + } + subtlen=EXTRACT_16BITS(rsvp_com_header->length); + + printf("\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x", + RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags), + tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type), + rsvp_com_header->msg_type, + bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)), + subtlen, + rsvp_com_header->ttl, + EXTRACT_16BITS(rsvp_com_header->checksum)); + + /* + * Clear checksum prior to signature verification. + */ + rsvp_com_header->checksum[0] = 0; + rsvp_com_header->checksum[1] = 0; + + if (subtlen < sizeof(const struct rsvp_common_header)) { + printf("ERROR: common header too short %u < %lu", subtlen, + (unsigned long)sizeof(const struct rsvp_common_header)); + return; + } + + if (tlen < subtlen) { + printf("ERROR: common header too large %u > %u", subtlen, + tlen); + return; + } + + subtptr+=sizeof(const struct rsvp_common_header); + subtlen-=sizeof(const struct rsvp_common_header); + + if (rsvp_obj_print(pptr, plen, subtptr,"\n\t ", subtlen) == -1) + return; + + tptr+=subtlen+sizeof(const struct rsvp_common_header); + tlen-=subtlen+sizeof(const struct rsvp_common_header); + } + + break; + + case RSVP_MSGTYPE_PATH: + case RSVP_MSGTYPE_RESV: + case RSVP_MSGTYPE_PATHERR: + case RSVP_MSGTYPE_RESVERR: + case RSVP_MSGTYPE_PATHTEAR: + case RSVP_MSGTYPE_RESVTEAR: + case RSVP_MSGTYPE_RESVCONF: + case RSVP_MSGTYPE_HELLO_OLD: + case RSVP_MSGTYPE_HELLO: + case RSVP_MSGTYPE_ACK: + case RSVP_MSGTYPE_SREFRESH: + if (rsvp_obj_print(pptr, plen, tptr,"\n\t ", tlen) == -1) + return; + break; + + default: + print_unknown_data(tptr,"\n\t ",tlen); + break; + } + return; trunc: printf("\n\t\t packet exceeded snapshot");